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HP 48: Difference between revisions
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The '''HP 48''' series is five RPL graphing calculators first introduced in 1990. | |||
{{Infobox calculator|successor=HP 48GX|name=HP 48SX|image=File:HP-48SX.jpeg|imagesize=250px|introduced=1990|predecessor=HP 28S and HP 41C|processor=Clarke (2MHz Saturn)}} {{Infobox calculator|name=HP 48S|successor=HP 48G|processor=Clarke (2MHz Saturn)}} | {{Infobox calculator|successor=HP 48GX|name=HP 48SX|image=File:HP-48SX.jpeg|imagesize=250px|introduced=1990|predecessor=HP 28S and HP 41C|processor=Clarke (2MHz Saturn)}} {{Infobox calculator|name=HP 48S|successor=HP 48G|processor=Clarke (2MHz Saturn)}}{{Infobox calculator|name=HP 48GX|predecessor=HP 48SX|successor=HP 48G+|processor=Yorke (4MHz Saturn)}}{{Infobox calculator|name=HP 48G|predecessor=HP 48S|successor=HP 48G+|processor=Yorke (4MHz Saturn)}}{{Infobox calculator|name=HP 48G+|predecessor=HP 48G, HP 48GX|successor=[[HP 49G]]|processor=Yorke (4MHz Saturn)}} | ||
== Overview == | == Overview == | ||
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== HP 48SX == | == HP 48SX == | ||
The HP 48SX was the first model of the series, released in 1990. It expands on the features of the HP 28S, expanding upon the RPL system. It adds several new object types, a new powerful unit conversion system, a graphical equation editor (the first of its kind on a calculator) and matrix editor, more graphing options, serial and two-way IR communications which allowed peer-to-peer object transfers between two 48 series calculators, in addition to printing to HP 82240B, and a clock and alarm system. The model number comes from a combination of the HP 41 and the HP 28, as it bridges the best features of both systems. | The HP 48SX was the first model of the series, released in 1990. It expands on the features of the HP 28S, expanding upon the RPL system. It adds several new object types, a new powerful unit conversion system, a graphical equation editor (the first of its kind on a calculator) and matrix editor, more graphing options, serial and two-way IR communications which allowed peer-to-peer object transfers between two 48 series calculators, in addition to printing to HP 82240B, and a clock and alarm system. The model number comes from a combination of the HP 41 and the HP 28, as it bridges the best features of both systems. | ||
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== HP 48S == | == HP 48S == | ||
The HP 48S was introduced in 1991 as a lower-cost alternative to the 48SX. It is identical in every way to the 48SX except that it is missing the two expansion slots of the SX. | The HP 48S was introduced in 1991 as a lower-cost alternative to the 48SX. It is identical in every way to the 48SX except that it is missing the two expansion slots of the SX. | ||
== HP 48GX == | == HP 48GX == | ||
The HP 48GX was introduced in 1993 and was designed to address some of the issues with the 48S series. For one, it has 128 KB of RAM built-in for user data. It also uses a 512 KB ROM with many new features, including the Equation Library (which was an expansion card for the 48S series), a new GUI interface, XModem serial transfers, and a new case design. | The HP 48GX was introduced in 1993 and was designed to address some of the issues with the 48S series. For one, it has 128 KB of RAM built-in for user data. It also uses a 512 KB ROM with many new features, including the Equation Library (which was an expansion card for the 48S series), a new GUI interface, XModem serial transfers, and a new case design. | ||